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10) Which of the following describes a metabolic consequence of a shortage of
oxygen in muscle cells?
о
(A) An increase in blood pH due to the accumulation of lactic acid
O
(B) NO ATP production due to the absence of substrate-level phosphorylation
о
(C) A buildup of lactic acid in the muscle tissue due to fermentation
O (D) A decrease in the oxidation of fatty acids due to a shortage of ATP

Respuesta :

Answer:

The correct answer is - C) a buildup of lactic acid in the muscle tissue due to fermentation.

Explanation:

In absence of enough oxygen for the muscle cells to perform the aerobic pathway to breakdown pyruvate for energy, the body starts producing lactic acid to convert glucose into energy.

This process is known as fermentation which can produce lactic acid and build it in muscle cells. There are some negative effects of fermentation and buildup of lactic acid in muscle cells such as cramps, pain, and fatigue in the muscles.

The statement 'a buildup of lactic acid in the muscle tissue due to fermentation' describes a metabolic consequence of a shortage of oxygen in muscle cells (Option C).

  • Aerobic cells normally produce energy by cellular respiration.

  • Cellular respiration is a process by which aerobic cells produce energy in the form of ATP by using the energy stored in the bonds of foods (e.g., glucose) and oxygen.

  • Acid lactic fermentation is a process by which muscle cells can produce ATP in anaerobic conditions.

  • This process (acid lactic fermentation) is less efficient than cellular respiration in terms of production of ATP per molecule of glucose, but it is faster.

In conclusion, the statement 'a buildup of lactic acid in the muscle tissue due to fermentation' describes a metabolic consequence of a shortage of oxygen in muscle cells (Option C).

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